Related by context. Frequent words. (Click for all words.) 56 dams 54 bull trout 53 Snake River 53 Klamath River 52 hydroelectric dams 51 dam 49 rivers 49 watersheds 49 wild salmon 48 river basin 48 salmon 48 Bonneville Dam 48 Endangered Species Act 48 River basin 47 steelhead 47 headwaters 47 weir 46 river basins 45 River Basin 45 PacifiCorp 45 coho salmon 45 irrigators 45 NOAA Fisheries 45 tributaries 44 chinook salmon 44 Clean Water Act 44 estuary 44 riparian 43 Chinook salmon 43 wildlife habitat 43 gray wolves 43 spring chinook 42 river 42 Indian tribes 42 Klamath 42 reservoirs 42 Reclamation 42 Dams 42 coho 42 Asian carp 41 estuaries 41 habitat restoration 41 waterways 41 chinook 41 River Watershed 41 Hood Canal 41 Truckee River 41 fish hatchery 41 Trout Unlimited 41 levees 41 hatchery 41 wetlands 41 St. Croix River 41 Bonneville Power Administration 41 dike 40 sandbars 40 sturgeon 40 levee 40 Continental Divide 40 sockeye 40 Willamette River 40 roadless areas 40 spawning grounds 40 sea lions 40 Platte River 40 Wildlife Service 40 Lake Lanier 40 Cowlitz 39 hydroelectric 39 sediment 39 spillway 39 floodplain 39 grizzly bears 39 reservoir 39 habitat 39 aquifer 39 conservationists 39 River Gorge 39 waterway 39 tributary 39 grizzlies 39 Sheyenne River 39 groundwater 38 fisheries 38 upriver 38 lakes 38 Chattahoochee River 38 ecosystems 38 seawall 38 endangered species 38 National Marine Fisheries 38 Catawba River 38 hatcheries 38 Nez Perce 38 dredging 38 cfs 38 hydroelectric dam 38 environmentalists 38 Mississippi River 38 Murray Darling Basin 38 Mekong River